Homework Answers Page 10555

• What is the volume of a sphere with a diameter of ##28 cm##?

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  Geometry

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• Are adjectives with the prefix "non" considered compound adjectives? For example, non-profit or non-biodegradable.

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  English

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• What is the difference between solving absolute value equations and absolute value inequalities?

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  Algebra

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• What is system international unit of atomic radius ?

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  Chemistry

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• What is torque?

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  Physics

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• Why is horizontal velocity constant in projectile motion?

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  Physics

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• What is the formula of ammonium carbonate?

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  Chemistry

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• What is the molar mass of magnesium nitride, ##"Mg"_3"N"_2##, if the mass of one mole of magnesium is 24.31 g and of one mole of nitrogen is 14.01 g?

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  Chemistry

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• How do you use the epsilon delta definition to prove that the limit of ##x^2-7x+3=-7## as ##x->2##?

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  Calculus

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• Butane , octane and hexane in order of increasing boiling point?

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  Chemistry

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• How can I calculate the empirical formula of butane?

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  Chemistry

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• How do you find the area of the trapezoid below?

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  Geometry

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• What was the intent of Lenin's New Economic Policy (NEP)?

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  History

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• A right circular cylinder with a radius of 2.3cm and a height of 1.4cm has a total surface area of? a) ##5.3*10^-3## b) ##7.4*10^-3##

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  Physics

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• Ksp=2.4x10-5 for calcium sulfate What is the molar solubility of calcium sulfate in pure water? What is the mass solubility of calcium sulfate in pure water, expressed in g/L

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  Chemistry

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• What is the definition of a tense? How many tenses are there?

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  English

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• Sulfur forms two chlorides ##"S"_2"Cl"_2## and ##"SCl"_2##.The equivalent mass of sulfur in ##"SCl"_2## is ##"16 g"## .The equivalent weight of sulfur in ##"S"_2"Cl"_2## is ?

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  Chemistry

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• What are the roles of animal cell organelles?

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  Biology

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• If the area of a square is 225 cm2, what is perimeter?

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  Algebra

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• What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important?

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  Biology

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• What is the oxidation state of phosphorus in PCl5?

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  Chemistry

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• How long does it take Saturn to orbit the sun?

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  Science

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• Who did John F. Kennedy run against in the 1960 presidential election?

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  History

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• Why gravitational acceleration is zero at the centre of the Earth maximum at the poles and minimum at the equator?

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  Physics

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• What is the purpose of the microvilli of the small intestine?

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  Psychology

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• What is a corner in calculus?

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  Calculus

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• What is one example of a transform boundary?

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  Science

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• How did General McClellan move his troops to Virginia?

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  History

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• How do I use DeMoivre's theorem to solve ##z^3-1=0##?

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  Precalculus

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• What is free fall and how does it relate to gravity?

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  Physics

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• What are the general characteristics of members of the class aves?

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  Biology

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• Is this a Buffer? 25 ml of 0.60 M HClO4 + 45 ml 0.60 M KF. Please show how you determined its a buffer and mention the concentration of weak base and weak acid. PH= Pka + log(weak base/weak acid). (buffer equation)

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  Chemistry

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• What is the opposite and reciprocal of 3/5?

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  Algebra

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• What was Democritus's atomic theory?

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  Chemistry

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• How do you define atomic number?

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  Chemistry

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• What plant cell organelle has a double membrane surrounding it?

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  Biology

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• What is the balanced equation for the neutralization of hydrobromic acid with calcium carbonate?

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  Chemistry

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• Where are the chlorophyll found in prokaryotic cell?

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  Biology

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• What were the goals of the American Federation of Labor when it was founded?

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  History

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• What is the biggest difference between the upper and lower mantle?

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  Science

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• How do you solve rational equations ##[(x+2) / (x-1)] = [1/2]##?

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  Algebra

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• How would you find the molar enthalpy of vaporization for a substance, given 3.21 mol of the substance absorbs 28.4 kJ of energy as heat when the substance changes from a liquid to a gas?

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  Chemistry

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• Who was president during the Iran-Contra scandal?

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  History

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• How do you balance this equation H2SO4+NH4OH--->(NH4)2SO4+H2O?

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  Chemistry

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• What are good adjectives that start with the letter "J"?

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  English

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• What is metallic bonding, how does it work, and is it strong or weak and why?

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  Chemistry

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• How do you find the circumference of a circle with diameter 7.2cm?

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  Algebra

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• How many obtuse angles in a regular pentagon?

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  Geometry

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• Alexander the Great's empire extended to which river in the East?

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  History

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• Are Glycosidic bonds, Peptide Bonds and Ester Bonds condensation bonds?

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  Biology

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